Heeling-machine.



T. G. PLANT.

HBELING MACHINE.

APPLIOATION FILED PEB. 7, 1908.

RENEWED NOV. 22, 1909.

@Lieut T, G. PLANT.

HEBLING MACHINE.

APPLIGATION FILED IEB. v, 1908. RENEWBD Nov. 2z, 190s.

958,292. Patented May 17, 1910.

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TpGpPLANT.

HEELING MACHINE.

APPLICATION FILED EEB. 7, 1908. RENBWED NOV. 22, 1909.

Patented May 1'?, 1910.

9 SHEETS-SHBET 3.

T. G. PLANT.

HEBLING MACHINE.

APPLIUATION FILED PEB. 7, 1908. EENEWED NOV 22, 1909. 958,292. Patented May 17,1910.

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T. PLANT.

Hamme MACHINE,

APPLICATION FILED PEB. 7, 1908. RBNEWED NOV. 22, 1909.

Patented May 1?, 1910.

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M c mrc-urnacwvnmaWASHINGTON n n T. G. PLANT.

HEELING MACHINE.

APPLICATION FILED PEB. 7, 190s. BENBWBD Nov. 2z, 1909.

958,292. Patented May 1?, 1910.

9 SHEETS-SHEET B.

T. G. PLANT.

HEELING MACHINE.

A?PLIOATION FILED FEB. 7, 190s. RENBWED Nov. 2z, 1909.

958,292, Patented May 17,1910.

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ANDREW a GRAHAM ce.. PHOTO-Lunesmumswasmmanm4 n.4:

T. G. PLANT.

HBELING MAOHINB.

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HEELNG MACHINE.

A'PPLoATIoN FILED PEB. 7, 190e. RENBWBD Nov. 2z, 1909.

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Patented May l?, i910.

HH iii H QM rm Q5 HHH J PIII Y L @WJ UNTED STATES PATENT FFCF.

THOMAS G. PLANT, OF BGSTQN, MASSACHUSETS.

HEELIN G-BIACINE.

Application filed February 7, 1908, Serial No. 414,707.

To all wwm i may concern.'

Be it known that l, THOMAS G. PLANT, a citizen of the United States, residing at Boston. in the county of Suffolk and State of Massachusetts, have invented an improvement in Heeling-htachines, of which the following description, in connection with the accompanying drawings, is a specification, like characters on the drawings representing like parts.

This invention relates to heeling machines, and more particularly to machines for attaching loaded heels to shoes and thereafter blind nailing on a top-lift.

rllhe invention comprehends a machine adapted to operate upon shoes either before or after the last has been removed.

One of the objects of the invention is to so improve the construction of machines of the class described that the heels and toplifts may be m re accurately positioned upon the heel-seat of the shoe.

Other objects of the invention are to increasD the rapidity of action and in general to render such machines more effective for the class of work to be done.

'llo the accomplishment of these objects and such others as may hereinafter appear, as will be readily understood by those skilled in the art, the invention comprises the general features and combinations of parts hereinafter described, and more particularly dei'ined in the appended claims.

The various features of the invention will be best understood from a description of one embodimentof the invention, such7 for instance, as is shown in the accompanying drawings, in which:

Figure l is an elevation of the right hand side of the machine. Fig. Q is a front elevation of the upper portion of the machine with the shoe holding jack and its support-ing slide removed, and with certain parts broken away to show details of construction. Fig. 3 is a rear elevation of the portion of the machine shown in Fig. 2. Fig. 4 is a plan of the upper part of the inachine with the cross-head removed. Fig. 5 is a vertical longitudinal section on the line 5-5 of Fig. 4, showing the ack in shoe removing and receiving position. Fig. 6 is a detail to be hereinafter referred to. Fig. 7 is a detail in elevation of the operating levers at the lower portion of the machine frame. Fig. 8 is a detail in plan of a portion of the Specification of Letters Patent.

below the cams for contact therewith.

Patented May il?, 19M).

Renewed November 22, 1909. Serial No. 529,390.

parts shown in Fig. 7. Fig. t) is a detail in horizontal section on the line 9--9 of F ig. 7. Fig. l is an elevation partly in section of the heel measuring mechanism. Fig. 11 is a detail in horizontal section on the line lll of Fig. 10. Fig. lla is a detail of the measuring' mechanism. Figs. l2 to l are details of the nail driver actuating mechanism. Fig. 16 is a sectional view of the line 1x3-1G of Fig. l looking in the direction of the arrows and illustrating the various connections between the main driv- .ing shafts and the counter shafts and the actuating cams mounted on said shafts, with all levers driven by said cams removed.

in the embodiment of the invention selected for illustrative purposes and referring more particularly7 to Figs. l, 9. and 1G the machine frame is provided with two vertically arranged parallel uprights 30, which rise from a suit-able base and have extending between them at a convenient height a tie plate or support 32. Extending between the uprights and transversely of the machine is a driving shaft Se suitably journaled in the frame and upon which is mounted any convenient form of one revolution clutch indicated at 3G (Fig. 16), which preferably is of the well known Horton type. Extending also transversely of the machine between the uprights and journaled in the frame is a counter shaft 38 which preferably is driven only one-fourth as fast as the driving shaft 3a for reasons hereinafter made clear. To gain this end the two shafts are connected by suitably proportioned gears '-lO and lo) keyed to the shafts Sil and 3S respectively. rFhe uprights B0 serve as guides for plungers all, est which support a cross-head 4G. IThis cross -head is reciprocated vertically by means of cams i8 and 50 see dotted line Fig. l) upon the counter shaft 8S which is placed directly beneath the cross-head. The connection between each of the plungers and its cams is madein any convenient manner as by means of a yoke 49 (dotted lines Fig. l) extending about the counter shaft and carrying suitably arranged rollers above and Suitably connected springs 52 ig. l) may also be provided to assist in supporting the weight of the cross-head and its associated parts. Preferably the cams @eS and are so designed that two complete reciprocations are given to the cross-head for each complete revolution of the counter shaft 3S. One reciprocation of the cross-head being used for nailing on a heel and the second reciprocation being used for spanking a toplift on to the previously attached heel. The cross-head 46 is preferably provided with a removable nail block 54 held in place in the usual manner by a latch having a finger piece 55 (Fig. 2) projecting from the crosshead. This nail block is preferably of the multiple type having a sufficient number of conveniently arranged nail holes for nailing any desired size or style of heel although obviously the same objects may be otherwise secured. In connection with the nail block 54 there is used one of a series of templets 56 (Figs. 2, 3, and 13) which is removably secured to the nail block and so constructed that only the desired series of holes in the nail block for the particular heel being attached remain uncovered. The templet 56 is somewhat below the operators line of vision and therefore the holes therein are preferably countersunk to some extent so that he may with ease ind them by sense of touch with the projecting nails from a loaded heel. Above the nail block is a driver block 298 (Fig. 2) also removable from the cross-head 46 and having mounted therein a gang of drivers 300, one for each hole in the nail block 54. in the operation of the machine, as hereinafter described, the drivers are moved downwardly into the nail block, through a stroke suiiicient to bring their lower ends substantially iush with the lower face of the nail block and therefore flush with the upper face of templet 56. As the face of the heel is supported firmly against the templet, during the driving operation, the nails projecting from the loaded heel, which have been inserted in the holes in the nail block, are so driven into the heel as to leave their heads projecting a short distance, equal substantially to the thickness of the templet. rllhese projecting nail heads are used in securing a top lift on the heel. In the further operation of the machine a topslift carrier 306 (Fig. 1) is brought to a position beneath the nail block and places the top-lift carried thereby in proper relation to the horseshoe of nail holes in the templet in readiness to be spanked on to the heel on the next downward movement of the cross-head 46.

The support 32 of the machine frame sustains the shoe jack and also the devices for clamping the shoe with relation to the driving devices operating in the cross-head 46. The preferable mounting of these parts will now be described.

Referring-first to Fig. 5, upon the 'support 32 there is mounted a table 58 having movement forward and backward in suitable guide ways 59, upon said support. On

this table 58 there is mounted a second table 60 having angular movement, in suitable guides 6l and a turning circle 61a, transversely of the machine. On this table 60 there is mounted a slide 62 supporting the jack and a second slide 64 supporting the clamping and positioning devices for the shoe. The slides 62 and 64 have forward and backward movement in guideways 63 on the table 60. The guideways for the table 58 may be seen best in Fig. 4, together with the curved guideways for the ends of the table 60. The guideways for the slides 62 and 64 may be seen most readily in Figs. 2 and 5. Referring still to Fig. 5 there is shown a jack comprising heel and toe supports provided with the various desirable adjustments, which parts may be of any suitable and convenient construction for performing the desired oiiices. This jack as a whole is mounted upon a spindle 66 which has vertical movement within a guiding sleeve 68 rising from the jack slide 62. A shoe with the last still within the upper is mounted, sole up, on this jack preparatory to any movement of the machine parts. Rising from the slide 64 (Fig. 5) is a frame 70 provided with vertical guideways 71 in which is mounted a slide 72, which sustains a shoe back stop 74 and counter clamps 7 5, 75 (Fig. 4). The counter clamps 75 are at the upper ends of lever arms which are fulcrumed by their lower ends upon horizontally arranged pins 76 (Figs. 2 and Secured to and extending inwardly from each of these pins is a short lever arm 77 (Fig. 3) which lever arms are provided at their inner ends with yokes which cross each other and carry between their arms a pin 78 (Fig. 5) on which is a block 79 for each yoke. Attached to the pin 78 is a slide block 80 having a stem 8l and normally pressed downward by means of a coiled spring 82 surrounding the stem and extending between the lug on the slide 72 and a shoulder on the block 80. The construction is such that the spring 82 tends constantly to force the inner ends of the lever arms 77 downwardly and therefore turn the counter clamps 75 inwardly into clamping position upon the shoe. The force of the spring 82 is overcome and the counter clamps held normally apart, in open position, by means hereinafter to be described. The construction of the parts is such that wear occurs only at the under side of the blocks 79 and therefore the wear is constantly taken up by the spring 82 and the effective grip of the counter clamps 7 5 is increased rather than' diminished. After a shoe has been jacked and has been clamped in the machine by means of the counter clamps, as is usual, it is in some position beneath the nail block and driving devices and the operator must determine by his eye or by several trials of the machine whether or not it is in correct alinement with such devices and whether or not the heel is correctly pointed relatively thereto. The swinging table (30 is used to turn the shoe angularly in order that it may be in proper position beneath the heel to have the heel point in the desired direction when attached.v lfleretoforc, in angularly adjusting a shoe with relation to tue heel by swinging a table on which the shoe jack is mounted, the limit ot swing has been determined by adjustable stops on the table. as is well known to those skilled in the art counter clamps do not hold all shoes of one kind invariably in the same position as there is considerable opportunity for loose play of the shoe between the clamps. r1`heretore a swinging table alone is unreliable to determine a similar pointing ot the heel on a series ot shoes7 as the heel will be pointed according to the position assumed by the shoe within the counter clamps. 1t is therefore desirable that some means be provided, to aid the angular adjustment ot' a shoe by means ot a swinging table, so that each shoe ot the same kind invariably reaches the same angular position with relation to the heel betore the heel is attached.

Referring now to Figs. 3, et and 5, mounted upon vertical pivots Si (Fig. i) at either side ot the vertically moving slide 72 are horizontally arranged ar .is SGe S0 carrying upon their forward ends adjustable gages S83 S8. rEhe arms 86 have horizontal movement in guides S5 in the slide TQ. r1`he 8S may be termed tore-part gages. The rear ends 8T of the arms 80 are connected together by a spring 89 (Fig. e) which normally maintains the gages 88 at the outer ends of their path ot movement. When a right shoe is being operated upon the left gage 8S (viewing Fig. is brought to a position so that in moving the shoe angularly by swinging the table to properly point the heel the operator has a stop against which the inner edge of the sole of the shoe may be brought, thereby correctly determining the position that the shoe should assume in the counter clamps T5. lllhen operating` upon a lett shoe the right tore part gage SS will be brought forward for a similar purpose.

Before a shoe is jacked the jack is preterably in position at the. front ot the machine for convenient handling of the shoe and must be moved backward into the machine to gain its heel attaching position between the counter clamps. Freterably some means is provided tor starting this movement. it is not desirable to move the jack backwardly into the machine automatically, as this can be more conveniently done by the operator himself, but it is convenient to impart an actuating movement to the jack so that the i operator who, after jacking the shoe naturally places a hand upon the support 68, may know at what time to exert torce to move the jack backward.

Referring now to Figs. 7 and S two large bell crank levers Oel-7 arranged side by side are tulcrumed in the lower portion of the machine traine ireterably at the right. Fach ot these levers carries at its forward end a treacle 90 which treadles are normally held raised by means o'l' suitably connected coiled springs )t short roc.; shaft 100 extends transversely ot the lower part of the machine trame and is provided with a crank 101 having a pin 102 arranged beneath the levers Set and (J5. The rock shaft is also provided with a collar 1025 having formed upon it a projectinolug 10i adapted to engage against a shoulder in the lower end oit a rod 100. it coil spring 10.5 (Fig. 8) is arranged to keep the pin 102 and the lug 10+'` norinaliy raised. rthe rod 100 extends upwardly and is connected to a rock arm 108 (Fig. 5) tulcrumed upon a pin 100 mounted in a bracket upon the under side ot the support The rock arm 10S is provided with a hooked end forming a latch 110 adapted to engage a projectingl shoulder upon the periphery ot a collar 111 upon a rock shaft 112 also sustained in the bracket upon the under side ot the suppor The collar 111 has upon it a crank arm 1,1-1 for a purpose to be hereinafter described. The rock shatt has also upon it a crank arm 11G which projects upwardly into position .tor its end to engage al lug 118 extending downwardly from the under side of the slide (32 which supports the jack. A coiled spring 120 surrounds the rock shaft 112 and is so connected as to normally tend to rotate the shatt in a direction to turn the arm 11G toward the rear ot the machine, thereby moving the jack slide (52 backwardly. rEhe latch on the crank arm 10S normally maintains the spring 120 under tension with the arm 110 in its forward position. it now either ot the trcadles 0G, upon the levers 01- and 05, are depre. cd the crank pin is forced downwardly. fr his roe tates the rock shaft 100 in a direction to cause the lug 101A to bear downwardly upon the rod 106 which moves the rock zrni 10S in. a direction to release the latch 110 from engagement with the sleeve upon the rock shaft 112, said lug 101A then freeing the rod 10S so that` the latch 110 may be moved to again latch the arm 110 when the arm 111- is again actuated. This allows the coiled spring 190 to operate to move the arm 116 backwardly, thereby carrying with it the slide G2 and the jack. The torce exerted by the spring 120 is preferably insulicient to carry the shoe between the counter clamps, such movement being completed by the operator.

rEhe initial. backward movement ot the jack just describec should occur previously CII to the time that the shoe is angularly adjusted by swinging the table 60 and the propel' fore part gage 88 is brought into operative position, and also prior to the closin@ of the counter clamps upon the shoe, so that the operator may have time to move the jack entirely back into the machine with the counter against the back stop 'T4 and within the counter clamps 75 before the latter are closed. To this end it is convenient to utiliZe the bell cranks 94 and 95 to aetuate a train of mechanism for moving the shoe angularly, positioning the proper forepart gage, and closing the counter clamps just after the ack slide has been unlatched.

Referring now to Figs. 1, 3, T, 8 and 9 the bell crank levers 94 and 95 are provided with upwardly projecting arms 122 and 123 respectively, which are constructed to engage spring pressed teeth 124 and 125, mounted preferably as in Fig. 9, upon a vertically arranged rock shaft 126 journaled at its lower end in a bracket upon the machine frame and at its upper end in a bracket 127 depending from the support (see Fig. 1). The upper end of the rock shaft 126 (Fig. carries a segment 128 meshing with a pinion 130 on one end of a transversely arranged rock shaft 132, journaled the rear of the machine upon the under side of the support The shaft 132 carries upon it a screw 134 of coarse pitch about which is a block 136 (see dotted lines Fig. 3) which is held from rotation upon the screw by being carried in a box 135. Projecting upwardly from the block 136 and seated in said block by means of a universal joint is a slotted lever 138 connected at its upper end, by means of a second universal joint and longitudinally slidable block, to the swinging table 60, A fulcrum block 140 is provided for the lever 138 said fulcrum block being mounted in a bracket 142 attached to the table 58. An arm 144 (Fig. 1) projects upwardly from the fulcrum block 140 which arm is adjustably connected to the bracket 142 so that the fulcrum of the lever 138 may be shifter to vary the amount of swing given the table. It is thus seen that when either of the treadles 96 are depressed after the jack slide 62 has been unlatched one or the other of the teeth 124 and 125 upon the vertical rock shaft 126 will be engaged to rotate said rock shaft, therethrough turninO the screw 134 and moving the block 136 surrounding said screw transversely across the machine within limits determined by suitable stops, as shoulders or collars on the rock shaft 132. Such movement of the block 136 will turn the lever 138 about its fulcrum and thereby shift the swinging table 60 about its axis of rotation. lf the tooth 124 is engaged by depressing the right treadle 96, the swinging table 6() will be rotated in a direction for angularly positioning a left shoe, while if the tooth 125 is engaged by depressing the left treadle 96, it will be rotated in a direction for angularly positioning a right shoe. Therefore the bell crank lever 94 and its treadle 96 may be termed a left shoe treadle, while the bell crank 95 and its treadle ,96 may be termed a right shoe treadle.

s heretofore stated the proper fore part gage 88 should be moved into position at the time that the swinging table 60 is rotated so that it may reach its operative position in time to perform its office. To accomplish this the gages 88 are conveniently operated from the transverse rock shaft 132 which carries the screw 134. Upon this rock shaft are mounted two segments 146 which engage teeth on racks 148, 148 mounted to slide in ways beneath the support 32. rlhe racks 148 are arranged, with relation to pinions 150, 150 held from vertical movement in brackets beneath the support 32, so as to rotate said pinions both in the same direction. The pinions 150, 150 are slidably keyed upon the lower portions of vertical rock shafts 152, 152 on opposite sides of the machine and extending with their upper ends adjacent the outer sides of the fore part gage supporting arms 86 and forward of their pivots 84. The rock shafts 152 carry on their upper ends cams 154, 154, arranged to engage bearing surfaces 153 on the arms 86. These cams are so mounted upon their shafts that when said shafts are turned clockwise (viewing Fig. 4) the forepart gage 88 at the left of the machine, which is the gage for use with a right shoe, is the one brought into operative position, while if the shafts 152 are turned in a counter-clockwise direction the forepart gage 88 at the right of the machine is the one brought into operative position, this being the forepart gage for use with a left shoe.

lVith such a construction as just described, it is seen that if the screw 134 is turned in a direction to swing the forward end of the table 60 to the left for angularly positioning a right shoe, (viewing Fig. 4) the forepart gage 88 at the left will then be brought into operative position, while if the forward end of the table 60 is swung to the right for angularly positioning a left shoe (viewing Fig. 4) the forepart gage 88 on the right will be brought into operative position. ln each case the other forepart gage remains inoperative for the reason that its operating cam 154 is not moving in a direction to become active. The shoe having been angularly positioned for pointing the heel by means of the swinging table 60 and the proper forepart gage 88, it may now be clamped in such position by means of the counter clamps 75. As has been explained, the counter clamps would be normally maintained in their closed position by means of force exerted by the spring 82 if means were not provided for maintaining the clamps open so that a shoe may be placed between them.

Referring to Figs. 2 and 5, one of the counter clamps has projecting from its supporting arm a pin 155 (Fig. bearing against one end of a transversely arranged rod 156 mounted in a suitable guideway on the vertically movable slide 72 and having at its other end a head 157 engaged by a cam 158 (Figs. 2 and d) upon one of the vertical roch shafts 152. lVhen the machine is at rest and before the swinging table GO has been rotated, or either of the forepartl gages have been brought into operative position, the cam 15S is in such position that the rod 156 has been moved to the right (viewing Fig. 2) and thereby has moved the counter clamp 'T5 at the right to its Outer position and, through its connection with the counter clamp '7 5 at the left, has moved the latter clamp into its outer position leaving the two clamps open and ready for the insertion of a shoe with the closing spring S2 under tension. As the roch shaft 152 carrying the cani 15S is turned, in positioning either of the forepart ges, the cam 158 is rotated until it nally reaches a position where the rod 15G is released and the spring S2 is permitted to exert its force to move the counter clamps 7 5 inwardly to clamp he counter of a shoe, the shoe having by this time been moved to the position of desired angular adjustment.

1n operating upon shoes in which the wooden last is still retained it is necessary, as is well lnown by those skilled in the art, to measure the heel in order that the wooden 1ast will not be broken by applying too much pressure. Tiis measuring operation in the illustrative embodiment of the invention, is preferably performed before the automatic operation of the machine in attaching the heel started. Before the heel is measured however, when operating upon wooden lasts, it is desirable that the heel seat of the shoe be in such position beneath the heel that the heel may be conveniently measured without excessive movement on the part of the measuring mechanism. 1n prac-tice it is convenn ient to have the jack spindle G6 at such a height that the heel seat of the shoe is about one inch from the heel. 1t is desirable that the counter clamps grasp the shoe with their upper edges just below the outsole. 0bviously, were the counter clamps maintained always in proper position for receiving the shoe the space between them and the nail bloclr for use of the operator in placing a heel would be cramped. 1t is desirable, therefore, to normally maintain the counter clamps depressed and not move them into proper vertical relation with the counter of the shoe until after the heel has been placed in the nail bloclr. rllhis end is accomplished, in the illustrative embodiment of the invention, by means of the devices now to be described.

The jaclr spindle GG is conveniently provided with a rearward extension 90 (Fig.

5) having' on its under side a cam surface` 91. This extension projects through an opening in the slide T2, and is so formed as to maintain the slide 72 and counter clamps 75 depressed when the jack is in its forward position. rhe lower side of said opening is maintained in contact with the cam surface 91 by means of a spring pressed arm 92, mounted on the frame T0 and bearing upwardly against a lug on the slide 72. As the jacli slide (3Q is moved bacltwardly into the machine after a heel has been placed in the nail block, the formation of the cam surface 91 permits the spring pressed arm 92 to lift the slide T2, and with it the counter clamps 75, into operative pos ion. rEhe vertical movementof the slide is of course constant but its path of movement may be altered, to suit. varying formations of lasts, by adjusting means hereinafter to be described.

Before describing the preferred construction of measuring mechanism it is convenient to describe the various positions in which it may be desirable to place a heel with relation to the shoe and the means used in the illustrative embodinient of the invention for effecting such varying relationship.

YVhen the top-lift carrier 30G is brought into position beneath the nail block the toplift sustained therel y should be in such position with relation to the heel-seat of the shoe.. that when the heel is trimmed by using the top-lift as a guide, as is customary, the desired appearance of the heel with relation to the shoe will be obtained. 1f a right or left appearance of the heel not required, it is desirable that when the shoe is viewed from the rear the planes formed by the lateral surface of the heel between the top-liftand the outer sole, upon either side of the shoe, extend at the same angle to the tread face of the top-lift. Such an aliucment of the heel will give the shoe the trim appearance desired. lt is obvious that this alinement will be obtained if the top-lift be secured to thel heel in such position that the center of its bach is in vertical alinement with the heel seam which in turn is at the center of the bach of the heel seat of the shoe. @n the other hand if the center of the bach of the top-lift is not centrally arranged with relation to the bach of the heel seat of the shoe, when the heel is trimmed with relation to a top-lift so placed, the lateral surface of the heel at one side will extend at a greater angle to the face of the topelift than the lateral surface at the other side. Assuming that a top-lift has been correctly alined as just described above the heel seat of a shoe which has been placed square with. the series of nail holes in the driver block, it is obvious that if such shoe be then adjusted for pointing the heel by turning the shoe angularly about a center somewhere within the perimeter of the top-lift it will throw the center of the back of the heel seat of the shoe to one side or the other of the center of the bach of the top-lift, which remains stationary during the angular adjustment. Under these conditions thel desired square appearance of the nished heel will not be obtained even though the angular adjustment for point-ing has been correctly made. Such a condition may be remedied by placing the pivot on which the shoe is turned, substantially vertically in line with (and in the present embodiment of the invention directly beneath) the center of the baclr of the top-lift instead of within its perimeter. This point is chosen preferably as all top-lifts, of whatever size, when secured to a heel overlap substantially the same distance beyond the rearmost nail, therefore it will not be necessary to change a center so selected in changing the size of the top-lift. The distance of the center of the back of the top-lift forward of the center of the back of the heel seat is so slight that for all practical purposes a turning center chosen as described will give the saine results as if it were in fact in vertical alinement with the center of the baclr of the heel seat.

In adjusting a shoe, whether right or left, for a desired pointing of the heel, the shoe is swung in the direction of its inner side. Under this condition it is obvious that if the shoe be swung about an axis beyond the center of the back of the stationary top-lift, the center of the back of the heel seat of the shoe will be moved to a position on the inner side with relation to the shoe, of the center of the back of the top-lift. lf, however, the shoe be swung, in the direction named, about an axis in front of the center of the baclr of the stationary top-lift (2'. c. within the perimeter of the top-lift) the center of the back of the heel seat of the shoe will be moved to a position on the outer side, with relation to the shoe, of the center of the back of the top-lift. The heel when trimmed will then have a right or left appearance on the shoe according' to the position of the axis about which the shoe is swung.

A description will now be given of the preferred means for adjusting the axis upon which the swinging table rotates so that the shoe may be properly positioned beneath the stationary top-.lift when the carrier 306 is brought into position beneath the nail block. It is convenient at this time, also to describe the adjustment of the heel clamps and forepart gages. These various parts are best seen, in the illustrative embodiment of the invention, by reference to Figs. l to 5.

As heretofore described the swinging table 60 is carried by the table 58 which has movement in and out of the machine and it is upon this table 58 that the table 60 is swingingly mounted. Therefore any movement of the table 58 across the cross head 46 will move the pivotal point of the table 60 relatively to a top-lift held sta-tionarily in position beneath the nail block of the cross head. Before any work is performed upon the machine the table 58 should be adjusted with relation to the cross head in such manner that the pivotal point of the swinging table 60 is inthe desired relation to the center of the back of the top-lift when in spanking position. This may be accomplished by means of hand lever 330' (Figs. l and et) pivoted on the support 3:?l and engaging at its inner end apin 332 on the table 58. The table 58 is provided with a lug 33aL having a series of three holes through which a pin 336 is adapted to be passed to register any one of the holes with a single hole beneath the series in the support 32. The table 58, when adjusted by the hand lever 330, is thus locked in adjusted position. 1When the table 58 is adjusted so that the central hole of the series of three registersi with the hole therebeneath in the support 32 the axis about which the table 60 swings is in vertical alineinent with the center of the back of a top-lift correctly positioned with relation to the horseshoe of nail holes in the templet 56. lVhen the forward or the rear hole is thus in register, the axis named is beyond or forward respectively of the center of the back of the top-lift. Means is thus provided for preliminarily adjusting the a-Xis of the swinging table to give a square, or a right or left appearance to the heel when trimmed.

In operat-ing upon heels of varying pitch the selected position for the axis of the swinging table 60 should remain unaltered, the proper adjustment being obtained by movement of the shoe relatively to the toplift. Therefore the slide 64 (Fig. which supports the bacl gage and counter clamps is connected by a threaded lug 337 to a rod 338 (Figs. l and 4L) having an operating hand wheel 34e() and suitably mounted for adjusting the slide 64 forward and backward upon the swinging table 60 with relation.to its axis of movement. It is obvious that after the shoe has been jacked, and the jack has been moved backwardly between the counter clamps, and they have closed upon the counter of the shoe, rotation of the rod 338 will not only operate to move the slide Get in or out but, because of its connection with the shoe through the counterclamps, will also carry with it the slide 62 supporting the jack` The position of the heel seat of the shoe, with relation to the top-lift, may thus conveniently be adjusted. 1t will be noted however that in either of the adjustments just referred to the axis of the swinging table (30 with relation to the top-lift remains unchanged, therefore when the swinging table is turned about its axis of rotation, carrying the shoe with it, neither of these adjustments will affectthe desired appearance of the heel when trimmed.

lt is obvious that with varying sizes of shoes. or varying styles, the position to which it is desired to bring either of the forepart gages 88 will vary. For the smaller sizes, and for narrow shoes, their operative position should be well toward the center while for the larger sizes and great widths their position should be correspondingly `farther from the center. Because the throw of the cams 154( (Fig. is constant the length of the movement of the gages 88 will always be constant but by changing the path of their m-d ifement their operative position may be readily varied. The path of the movement of the gages 88 is preferably changed by mounting the pivots 81 of their supporting arms 8G in sliding bloclrs 8416 (Figs. 8 and which are connected by depending lugs 817 to right and left threads upon a rotatable rod 8&8 supported against axial movement in a bracket 348"L on the vertical slide 7 2. The rod 3&8 has at one end a bevel gear meshing with a. similar bevel gear 350 on an operating rod (Fig. d) having a hand wheel 35s igs. 2 and By turning the hand wheel 35s the rod 348 is rotated iii one direction or the other thereby moving the sliding blocks 816 either inwardly or outwardly to alter the position of the pivots 8s of the forepart gage arms 86. rhe. path of movement of the gages 88 is thus altered and therethrough their operative position relative to the machine center line is altered.

lt is desirable, when working on wool lasts, that the heel clamps be preliminarily vertically adjusted so that when permitted to be i fied by the cam surface 91, on the aclr spindle extension 90, their upper edges may be placed just below the out sole, whatever may be the height of the last. To this end means is preferably provided for adjusting the counter clamp carrying slide 72 independently of its movement permitted by the cam surface 91 under force of the spring pressed arm 92. To this end a wedge 380 is preferably provided mounted below the extension in transverse guideways on the vertical slide 7 2. rlhe wedge preferably has a roller 381 at its upper edge to form an anti-friction bearing for the cam surface 91. A horizontal stud 362 held from axial wedge SGO and carries at its outer end a bevel gear 863 which in turn meshes with a bevel lt-lon the inner end of a short rod 365 supported on the slide 72 and carrying at its forward end a hand wheel 888 lfig. flotation of the rod 865 will turn the screw to move the wedge 860 transversely beneath the extension Q0 thereby loweringthe slide 72 and with it the counter clamps 75, with relation to the shoe mounted upon the jack, or permitting it with the said counter clamps to be raised by the spring arm 92.

The heel measuring mechanism, used in the illustrative embodiment of the invention. is shown most clearly in Figs. 5, 7, 8, 10 and 11. Referring to these figures. and more particularly to Figs. 5 and 10, the jaclt spindle GG is support-ed upon a block 168 which is carried in horizontally arranged guideways 167 in a head 188 mounted upon the upper end of measuring spindle. The measuring spindle extends within a frame 182 depending from the support B2 and is preferably formed of two pairs of right and left hand screws each of which pairs connected by a toothed sleeve in the form of an elonoated pinion. Each pair of screws with its connecting sleeve forms a turn bucrle. Referring to 10 the upper pair 170 and 171 of right and left hand screws are connected by a sleeve 172 while the lower pair 17staiid 175 of right and left hand screws are connected by a sleeve 176. r1`lie screws 171 and 174e are held from rotation by a collar 178 pinned thereto and moving in guides in the frame 182. fllhus all the screws combine to forni substantially a single spindle, which however, is capable of longitudinal adjustment. r Ehe lower screw 175 is fixed to a support hereinafter described. The upper screw 170 is pinned to the head 168 which supports the zich spindle GG. The head 168 is mounted for vertical movement in suitable guideways 180 in the frame 182, so that any vertical adjusting movement of the measuring spindle will be communicated. to the jack spindle. The upper pair of screws 170 and 171 are of such pitch that on turning the sleeve 172 an easy and quicl; adjustment may be obtained. ln order to obtain such adj ustmcnt there is pivoted upon the frame 182 a gear 181- which inay be turned by means of a handle 186 provided with any suitable fo in of latch. ABy

means of the'liandle 188 andv its gear the operator may initially rotate the sleeve 172 and thereby lift the jaclt spindle and with it the acl; to any desired height with relation to the heel supported in the nail block. Of course the counter clamps 75 should move vertically with the shoe so as to retain the proper relationship and the rearward eXten- 1 sion 9() on the spindle (3G it rises with the spindle carries with it also the vertically moving slide 7 2 which supports the counter clamps. rilhus the jack with its shoe7 the counter clamps7 and the fore part gages all rise simultaneously ivhen the sleeve 172 is rotated by means of the operating handle 186. This adjustment by means of the ha` dle 186 and its connections is preferably performed before either of the treadles 96 is depressed.

After the shoe has been placed upon the jack and has been clamped and adjusted in position as heretofore described it is raised until it meets and measures the heel, supported by the nail block, by mechanism actuated by either of the treadles 96 turning their respective bell crank levers 911 and 95. To this end a rack 188 11) is mounted in the frame 182 in ay position to mesh with the sleeve 176 whereby reciprocation of the rack Will rotate the sleeve and will separate he right and left screws 17e7 175 to elevate the block 168 and therethrough elevate the jack and its shoe. The rack 188 is moved in a direction to rotate the sleeve 176 so that the jack may be lifted by connection With a lever 190 (Fig. 7) pivoted upon a stud 192 in the loiver part of the frame and attached to the rack at its upper end by a yoke and sliding block connection 19e. rlhe lever 190 is normally locked in a position With the rack at the rear end of its stroke and With the measuring` spindle retracted by means of a latch 196 (Figs. 7 and 8) bearing upon a shoulder on the lever. This latch is normally held in position for locking the lever 190 by means of a coiled spring 198 (Fig. 8) but is tripped for unlocking the lever 190 by means of a trip 200 on a sleeve pinned to the rock shaft 100 which, on movement of the rock shaft, engages a lug 201 on the latch 196 and thereby removes the latch from its engagement with the lever 190. 1t Will be remembered that the rock shaft 100 is rotated upon depression of either of the bell cranks 94 and 95. The angular position of the trip 200 upon the shaft 100 with relation to the movement of the bell cranks, is such that it does not reach a position to unlock the lever 190 until after the shoe has been properly positioned and clamped. Depending from the machine frame is a lever arm 202 extending in the path of movement of the upper arms 122 and 123 of the bell crank levers 94 and 95 such levers being provided with shoes 20d for engaging With a roll 203 carried by the lever 202. rEhe lever 202 is pivotally connected by a link 206 with the measuring mechanism operating lever 190. At about the time that the lever 190 is unlocked7 by depression of either cf the bell cranks 9e or 95: the shoe 2011- on the bell crank which is depressed has reached a position to contact with the de aending lever 202, and on further depression of either of the bell cranks or 95 the said lever 202 is moved forward carrying with it the measuring mechanism actuating lever 190 and thereby moving the rack 188 also forward. The sleeve 176 is thus turned in a direction to move the screws 174 and 175 apart to elevate the jack.

A coiled spring 208 is connected to the machine frame and to the measuring mechanism actua-ting lever 190 and when said lever is locked in its rear position with the jack depressed said spring is under tension. *fr leaf spring 210 is mounted on the machine hase and projects upwardly into a position to bear upon the back of the actuating lever and when said lever is locked in its ear position this spring is also under tension. llhese tivo springs therefore aid the bell crank levers 9a and 95 in initially moving the measuring mechanism actuating lever 190 forwardly to do its Work, but such spi-ings are by no means strong enough to perform the entire amount of Work desired and they are ineffective by themselves to move the rack a sutlicient distance to effectively measure the heel. The actual Work of actuating the measuring mechanism to perform its function is performed by the operator through sustained pressure upon the treadles of either of the bell cranks 94 or 95. YWhen the jack has been elevated sufficiently for the heel seat of the shoe to meet the heel seat of the heel held in the nail block, the operator ceases to depress the treadle 96 upon which he has been bearing and instantly depresses aI treadle 212 (Fig. 1) on one end of a bell crank lever 213 mounted upon a rock shaft 214. in the lower portion of the machine frame. This treadle 212 is in convenient position for the heel of the operators foot when using the fore part of his foot for one of the treadles 96. It is through this treadle 212 that the clutch is .ii-own in and the machine is started upon ts automatic operations for attaching the reel and spanking on top-lift.

As heretofore mentioned the clutch in the illustrative embodiment of the invention is of the Horton type. provided With the usual stop arm 215 (Fig. 16) to which is attached a releasing rod 216 suitably connected for operation by rotation of the rock shaft 21st. (Fig. 7). Referring to Fig. 7 it is seen that the upwardly projecting arm of the bell crank carrying the treadle 212 is provided ivith a pin 217 Which enters a slot in the forivard end of a. link 218, pivotally connected at its rear end to a lug 220 upon the measuring' mechanism actuating lever 190. lV hen the lever 190 is locked in its rear position as shoivn in Fig. 7 the pin 217 is in the forivard end of the slot in the link 218. lt is therefore impossible to depress the treadle 212 to start the machine so long as the pin and slot remain in this relation. lThis prevents the accidental starting of the automatic operation of the machine before the shoe has been properly adjusted, and the heel measured. During the movement of the lever 190 in moving the rack 188 to measure the heel, however', the link 218 is moved forward past the pin 217 on the automatic treadle bell crank, until said pin, at the end of the measuring operation, is substantially in the rear of its slot. lVhe-n the pin and slot are in this relation the treadle 212 may be depressed to throw in the clutch and start the automatic operation of the machine.

As is well known by those skilled in the art in attaching heels it is desirable and customary to compress the heel either before or during the driving of the attaching nails. This is accomplished by a downward move ment of the cross head 1G in connection with mechanism to be described. It is desirable that during the compression of the heel the rack 18S of the measuring mechanism should be locked from movement so that the various screws forming the spindle of the measuring mechanism may act as a unitary support to sustain the force of the compression. To this end means is provided for locking said rack prior to the descent of cross head 4G to compress the heel. lt is desirable also that the jack slide 62 and the swinging table 60, which has been moved to angularly position the shoe for properly pointing the heel, be locked against movement prior to attaching the heel. lt has been found convenient in the illustrative embodiment of the invention to utilize the same means to perform both of these functions.

Referring now to Figs. 1, 10, 11 and 11a a lever 226 (Fig. l) is pivoted on t-he machine frame and extends angularly from front to rear thereof. its rear end being provided with a roll 22S adapted to bear upon a cam 230 (Fig. 16) keyed to a sleeve 231 mounted on a grease bushing upon the driving` shaft 34. The sleeve 231 is driven by means of equal gears and 234 upon said sleeve 231 and the counter shaft 3S respectively, so that the sleeve 231 and its cam 230 are driven at the same speed of rotation as the counter shaft 38. A rod 286 depends from the forward end of the lever 226 and is connected to one arm 238 of a bell crank lever on the frame 182 (Fig. 10). The other arm of the bell crank forms a locking device 24() (Figs. 10 and 11:1) extending into recesses in the upper sides of a series of spring pressed pawls 242 and normally holding them in inoperative position out of contact with the teeth of the rack 18S. The cam 230 is so designed that just after the clutch 36 is thrown in the forward end of the lever 226 is moved downwardly thereby7 moving the pawl locking device 240 in a direction to permit said pawls to be thrown by their springs into engagement with the teeth of the rack 18S thereby preventing movement of the rack in either direction. Preferably four pawls are provided spaced apart the distance of live of the teeth on the rack so that a great degree of locking ability is obtained.

Referring now to Fig. 6 the lever 226 is provided with a lug through which extends a vertically7 arranged rod 2lb having at its upper end a plate 248 (Figs. 2 and 1) which extends over a portion of the jack supporting slide 62. A downward movement of the forward end of the lever 226, to operate the locking pawls for the rack 18S, also moves the rod 2416 downward, brings the locking plate 24S into contact with the jack slide 62, and locks said slide, together with the swinging table 60, from any unintentional movement. The mounting of the rod 246 in the lever 226 is such that excess movement of the lever is taken up by a spring 250 (Fig. 6) on the lower end of the rod. The cam roller 22S is maintained in contact with its cam by means of a spring 252 (Figs. 2 and 6) suitably connected to the machine frame and the lever 226. It is convenient also at this time to latch back the jack slide throwing lever 11G (Fig. in operative position and to this end the eXtreme forward end 227 (Figs. 2 and 5) of the lever 226 is adapted to engage the crank arm 11a heretofore described as mounted upon the rock shaft 112. As the end 227 of the lever 226 descends the arm 114 is turned downward and at the same time the locking shoulder on the collar 111 is turned to a position for engagement by the latch 110. The movement of the crank arm 111 rocks the shaft 112 thus moving the jack throwing arm 11G into its forward position where it is held by the latch with the spring 120 under tension. The latch on the crank arm 10S is maintained in operative position for engaging its cooperating shoulder by means of a lifting spring 107 (Fig. 1) suitably connected to the actuating rod 106 and the machine frame.

It is obvious that, in the measuring operation, unless the screw 175 (Fig. 10) is held from downward movement the rotation of the sleeve 176 will impart equal but opposite movements to both the screws 171 and 175. lf however the screw 17 5 is held from downward movement the rotation of the sleeve 17 5 will act to move the upper screw 174: upwardly through twice the distance before obtainable. ln order to maintain the screw 175 stationary during the measuring operation the support 260 (Fig. 10) which sustains the screws forming the measuring spindle is normally locked against downward movement during the action of the measuring rack 18S. This locking is preferably accomplished by means of a bell crank 262 pivoted upon the depending frame 182 said bell crank having at its lower end a roller 264 engaging at this time beneath a lug 265 upon the measuring spindle support 260. The upper' arm of the bell crank 262 is provided with a roller 266 engaging with a cam 268 (Figs. 10 and 16) conveniently formed upon the gear 232. A spring 267 is arranged normally to maintain the roller 266 in contact with its cam. Thus the measuring spindle support 260 is held against downward movement during the measuring operation, when said measuring is performed by actuation of the handle 186 or either of the foot treadles 96.

The downward movement of the crosshead 46, to compress the heel is through a fixed distance determined by the design of the cross-head operating cams 48 and 50. Just prior to the descent of the cross-head the cam 268 operates to move the roller 264' of the bell crank 262 out from beneath the lug 265 of the measuring spindle support 260 so that as the cross-head descends it carries the jack and its supported shoe downward before it by depression of the jack spindle 66, the measuring spindle, and the measuring spindle support. These parts are sustained, when the roller 264 is removed form beneath its lug 265, by means of a strong leaf spring 270 bearing upwardly against the lower end of the measuring spindle support 260. This spring retreats before the downwardly7 moving parts as the cross-head descends. The amount of compression to be placed upon the heel is determined by an adjusting device carried by the measuring spindle support 260. The lower end of said support is threaded (Fig. 10) and mounted on such threaded portion is a collared sleeve 272 which may be adjusted longitudinally of the support and locked in any desired position by a latch 274. The sleeve 27 2 moves in a guide 27 6 rising from the base of the machine frame. If now, the distance between the upper surface of guide 276 and the under surface of the collared sleeve 272 is equal to the vertical movement of the cross-head there will of course be no compression of the heel. If, however, this distance is less than the vertical movement of the cross-head the heel will be compressed an amount equal to the difference between this distance and the movement of the cross-head. Before the machine is started, therefore, the sleeve 272 is adjusted to bring its collar the correct distance from the top of the guide 276 for the amount of compression desired to be placed upon the kind of heel which is to be operated upon. The first operation, then, after the machine is started on its automatic movement by depression of the treadle 212 is to move the cross -head, jack and measuring spindle downward until the collar on the sleeve 27 2 meets the top of the guide 276 when the shoe will be held against further downward movement and the succeeding downward movem ent of the cross-head will serve to compress the heel the desired amount.

The heel may be attached to the shoe either during the compression or immediately thereafter. To this end driving devices, the preferable form of which and their actuating mechanism are shown in Figs. 1, 2 and 12 to 15, are put into operation. A cam 280 (Fig. 16) is mounted on the counter shaft 38 and is directly engaged by a cam roll at the lower end of a vertically reciprocating driver actuating rod 282 (Fig. 2) which is screw-threaded at its upper end. Engaging these screw threads is one end of a sleeve 284 which in turn receives the lower end of a rod 286 connected by a universal joint 288 to the outer end of a transversely arranged lever 290 pivoted at 292 in the cross-head 46. The inner end of the lever 290 projects to a position over the nail block 54 and is connected by means of a yoke and slide block device 294 centrally of a plunger 296. The lower end of the plunger 296 is provided with a removable driver block 298 carrying the usual gang of drivers 300.

By preference, the machine is intended to operate upon loaded heels, such, for instance, as produced by the heel loading machine of my co-pending application for United States Patent Serial No. 412727, filed Jan. 27th, 1908, in which the nails have been driven at an angle to the tread face and toward the back of the heel, for a purpose well known to those skilled in the art. Therefore, in the illustrative embodiment of the invention, the plunger 296 which operates the nail drivers is arranged in the cross-head at an angle to the vertical and for movement obliquely in the general direction of the nails in the loaded heel which has been previously placed in position beneath the nail block 54. To this end the pivot 292 of the lever 290 is placed at an angle with the cross-head (see Fig. 15) and the actuating rod 286 is provided with the universal joint heretofore described to permit proper angular movement of the lever 290 with relation to its actuator. The plunger 296 is normally maintained in its elevated position with the drivers 300 at the upper end of their stroke by means of a spring 302 having bearing on the actuator rod 286 and the under side of the cross-head 46. During the downward movement of the cross-head, while it is compressing the heel, the cam roll on the driver actuating rod 282 is traveling upon a dwell on the cam 280 and although the rod 282 is thus held from downward movement there is no actuation of the drivers because the actuator rod 286 is at this time traveling downward in the telescopic joint formed by it with the sleeve 284. This sleeve 284 has been previously adjusted vertically upon its screw and locked in place in such position that the stroke of the crosshead will operate to bring the lower end of the rod 286 just to the bottom of the opening in the sleeve 28st. After the heel has been compressed, or during the latter portion of the compression7 the cam 280 operates to raise the actuator rod 282 and because of the previous closing of the telescopic joint the rod 286 is also raised and the lever 290 in the cross-head is actuated in a direction to move the drivers quickly downward to drive the nails, which are of such length that they may be clenched in the usual manner upon the inner surface of the heel seat of the shoe. The heel having been attached to the shoe. it is now ready to receive the topdift. rihe means for placing' a top-lift in position to be spanked on to nails left projecting from the heel is best shown in Figs. l, 37 l2 and 13. Referring first to Fig. l in the illustrative embodiment of the invention the top-lift holding` devices are sustained by a supporting carrier 306 which in turn is connected by arms 30T to a transverse rock shaft 308 on the rear side of the cross-head. This transverse rock shaft 30S also has secured to it a crank arm 310 (Figs. l and l2) to the outer end of which is pivot-ally connected a verticallyT moving' rod 312. The lower end of the rod 312 is connected to one arm of a bell crank lever 31e (Fig. l) pivotally mounted upon a bracket 316 sustained by one of the yokes 49 of the cross-head plungers stil. To the other arm of the bell crank 311i is connected a link 31S in turn connected to one arm of a. bell 'crank 320 pivoted at on the machine frame and carrying on its other arm a roll 32st (Figs. l and l0) riding in a groove cam 326 formed in one side of the gear 232 on the sleeve 231. These connections and the proportions of the carrier are suoli that as the cross-head 46 descends the top-lift carrier rod 312 also descends, thereby, through its connections to the rock shaft 303, turning the top-lift carrier about said rock shaft as a pivot downwardly and toward its operative position just beneath the nail block (see Fig. 2). The construction of the cam groove 326 is such that the movement of the various connecting levers is taken upl and the downward movement of the rod 312 is not hindered. The top-lift carrier 306 however only moves partially through its path of movement during the down stroke of the cross-head and upon the up stroke of said cross-head which occurs immediately after the nails are driven the movement of the top-lift carrier is continued until it is linally placed in position beneath the nail block during the dwell of the crosshead at the end of its upward movement. t leaf spring 309 is mounted on the back of the cross-head and is arranged to cushion the final movement of the carrier in reaching its operative position.

` ln order that the shoe may not follow the cross-head upward the roll 264e of the latch 262 (Fig. l0) is moved inwardly by its cam 26S, and over the lug 265 upon the measuring spindle support 607 just prior to the beginning of the upward movement of the cross-head. Thus the spring 270 is prevented froin moving the measuring spindle support 260 and the parts carried by it which include the jack, upwardly during the ascent of the cross-head. The frog cams -LLS and 50 are so designed that the cross-head ascends on this stroke higher than its initial position to compensate on its return movement7 for the added thickness of the toplift carrier and the top-lift which are now -cneath the nail block. The frog cams d8 and 50 and the springs 52 now operate to cause the cross-head d6 to again descend to spank on the top-lift7 this downward movement being of substantially the saine extent as the original downward movement7 which will terminate the stroke of the cross-head in a correct position for properly con'ipr-essing and attaching the top-lift to the heel.

As top-lifts vary somewhat in thickness it is desirable that means be provided to adjust the top-lift bodily relatively to the heel so that too much pressure will not be applied from the constant stroke of the crosshead. rThis may be most conveniently done with the top-lift carrier in operative position. ln the illustrative embodiment of the invention7 referring to Figs. 2 and 13, this adjustment is effected by moving tl e top-lift holding devices relatively to their support. rlhese holding devices may be of any convenient construction but preferably they are similar in principle to the holding devices described in a co-pending application for United States Patent of WT. C. Stewart, Serial No. 409142 tiled Jan. 3rd, 1908. These devices are carried by a plate 390 mounted, for movement on suitable guides toward and away from the base plate of the carrier 306. The plate 390 and the carrier base plate are each provided with dovetailed guideways and 394- rcspectiveljf'. Fitting within these guideways is a wedge shaped block 393 which may be moved `in and out in the guideways by means of a headed screw 396 held from axial movement on the wedge and threaded into the carrier base plate. By turning the screw 396 the toplift will be placed in a position nearer to or farther away from the heel without altering its transverse position and the amount of compression for the particular top-lift may be varied without varying the stroke of the cross-head or the position of the shoe.

After the toplift has been secured to the heel the parts should all be returned to their initial positions7 for receiving a new shoe, and it is convenient to automatically move the jack forward from the counter clamps into shoe removing and receiving position. 

